/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/Widgets/SNiagaraParameterName.h
typedef TBaseDelegate_TwoParams< [FReply](API\Runtime\SlateCore\Input\FReply), const [FGeometry](API\Runtime\SlateCore\Layout\FGeometry) &, const [FPointerEvent](API\Runtime\SlateCore\Input\FPointerEvent) & > FOnDragDetectedHandler